BREAK IT DOWN GLOW STACK is just one of the many different types of peptides we offer as a part of our PEPTIDE THERAPY PROGRAM! DID YOU KNOW? This peptide GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Experiencing itching & burning from your GHK CU peptide injections? Try these to hacks: 1. Use a longer syringe to penetrate deeper into the fat cells. 2. Dilute the copper. Here I